1995 Buick Riviera Logo
Posted on Jul 11, 2009
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Drainage duct location on 1996 Riviera .Water is unloading on the inside passengers floor when a/c is in use.

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Pull up the carpet and locate the spot from the ac drianage duct insde the car, check for any holes in the floorboard or firewall and reroute the hose out side the passenger compartment, thru the fire wall it may have a rubber grommet covering the hole in the firewall, which can be removed to put duct hole thru.

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Drain for AC is out the bottom of Evaporator. Evaporator is installed inside firewall. Check underneath car at dash for a hose hanging down. Discharge hose could be clogged or missing.

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  • Posted on Jul 11, 2009
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Look at the back of the firewall on the passenger side.

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My ac is cold, but i have water on the passenger side

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Water leaking into passenger side floor --seems like something is clogged with my AC lines --temp excellent but water is leaking into passenger side floor board

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I have water leaking inside the car on the passanger side floor. It looks like its coming from the air ducks.

Was the air conditioning on? Usually water on the floor of the passenger side would mean the AirConditioners drainage hose was either clogged or became disconnected.
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